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| Alpha Flight #51 | ||
| Marvel Comics, 10/87 | ||
| Bill Mantlo story | 1st published Jim Lee artwork | |
| Jim Lee & Whilce Portacio art | at Marvel Comics. | |
| Hilary Barta & Kevin Nowlan cover | ||
| Books | CGC Label | CGC Total | Avg. Grade | 10 | 9.9 | 9.8 | 9.6 | 9.4 | 9.2 | 9.0 | 8.5 | 8.0 | 7.5 | 7.0 | 6.5 | 6.0 | 5.5 | 5.0 | 4.5 | 4.0 | 3.5 | 3.0 | 2.5 | 2.0 | 1.8 | 1.5 | 1.0 | 0.5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 BOOK | Universal | 356 | 9.37 | 0 0.00% | 0 0.00% | 110 30.9% | 92 57% | 54 72% | 33 81% | 23 88% | 27 95% | 9 98% | 1 98% | 3 99% | 3 100% | 0 100% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Signature | 170 | 9.13 | 0 0.00% | 0 0.00% | 29 17.1% | 47 44.7% | 33 64% | 16 74% | 10 79% | 15 88% | 8 93% | 5 96% | 1 96% | 2 98% | 2 99% | 0 99% | 0 99% | 1 99% | 0 99% | 1 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| 1 BOOK | Qualified | 3 | 8.60 | 0 0.00% | 0 0.00% | 1 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 0 33.3% | 2 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% | 0 100% |
| Alpha Flight #51 (1987, Marvel Comics) CGC Universal Grade Distribution | ||||||||||||||||||||||||
| 0% 0 10 | 0% 0 9.9 | 31% 110 9.8 | 26% 92 9.6 | 15% 54 9.4 | 9% 33 9.2 | 6% 23 9.0 | 8% 27 8.5 | 3% 9 8.0 | 0% 1 7.5 | 1% 3 7.0 | 1% 3 6.5 | 0% 0 6.0 | 0% 1 5.5 | 0% 0 5.0 | 0% 0 4.5 | 0% 0 4.0 | 0% 0 3.5 | 0% 0 3.0 | 0% 0 2.5 | 0% 0 2.0 | 0% 0 1.8 | 0% 0 1.5 | 0% 0 1.0 | 0% 0 0.5 |
| cgcdata.com, last updated September 16, 2025 | ||||||||||||||||||||||||